Underworld Breach [Theros Beyond Death Prerelease Promos] Masters 25 Shapeshifter's power is equal to

Shapeshifter's power is equal to the last chosen number and its toughness is equal to 7 minus that number

and briefly

"Aselbo soon had the rhino eating from his palm and the snake waiting at his heels

Set: Beta Edition Type: Instant Rarity: Rare Cost: {G} Look at the top three cards of target player's library

that player loses 3 life

Underworld Breach [Theros Beyond Death Prerelease Promos] Masters 25 Shapeshifter's power is equal toSet: Theros Beyond Death Prerelease Promos Type: Enchantment Rarity: Rare Cost: {1}{R} Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.) At the beginning of the end step, sacrifice Underworld Breach.